Bounoughaz, M. (2003), "A comparative study of the electrochemical behaviour of Algerian zinc and a zinc from a commercial sacrificial anode", Journal of Materials Science, 38 (6), Salhi, E.; Benzine, K.; Ghali E.; Dalard F.: 1139, doi:10.1023/A:1022824813564, S2CID135744939
Bothwell, Dawn N. (2003), "Chronic Ingestion of a Zinc-Based Penny", Pediatrics, 111 (3), Mair, Eric A.; Cable, Benjamin B.: 689–691, doi:10.1542/peds.111.3.689, PMID12612262
Bothwell, Dawn N. (2003), "Chronic Ingestion of a Zinc-Based Penny", Pediatrics, 111 (3), Mair, Eric A.; Cable, Benjamin B.: 689–691, doi:10.1542/peds.111.3.689, PMID12612262
Bounoughaz, M. (2003), "A comparative study of the electrochemical behaviour of Algerian zinc and a zinc from a commercial sacrificial anode", Journal of Materials Science, 38 (6), Salhi, E.; Benzine, K.; Ghali E.; Dalard F.: 1139, doi:10.1023/A:1022824813564, S2CID135744939